Home / 28,293.25-42,434.40-26,888.30

Finding the Fourth Proportional to 28,293.25, 42,434.40 and 26,888.30

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Solution

The fourth proportional to 28,293.25, 42,434.40 and 26,888.30 is: 40,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.25 : 42,434.40 = 26,888.30 : x
  2. Step 2: Convert to fraction form
    28,293.25/42,434.40 = 26,888.30/x
  3. Step 3: Cross multiply
    28,293.25x = 42,434.40 × 26,888.30
  4. Step 4: Simplify right side
    28,293.25x = 1,140,988,877.52
  5. Step 5: Solve for x
    x = 1,140,988,877.52/28,293.25
  6. Step 6: Final answer
    x = 40,327.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.